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VCXO (voltage-controlled crystal oscillator) is a precision timing device that enables fine frequency control. This article explains how VCXOs work, their tuning range, Kv, key specifications, circuit design, applications, alternatives, and how to select the right device.

VCXO Design Guide: Voltage-Controlled Crystal Oscillator

An OCXO maintains its quartz crystal at a controlled temperature for exceptional frequency stability. This guide covers OCXO design for timing engineers, including oven systems, temperature-control loops, crystal selection, specifications, variants, applications, and emerging trends.

OCXO Design Guide: Oven Controlled Crystal Oscillator

A crystal oscillator is an electronic circuit that uses a quartz crystal to produce a precise and stable frequency reference. This article covers crystal operation, equivalent circuit models, resonance, load capacitance, oscillator topologies, stability, aging, and design practices.

Crystal Oscillator: Fundamentals, Models, and Design Guidelines

This article presents an end-to-end motor control design methodology covering mechanical sizing, power electronics, sensor selection, real-time control algorithms, EMC, and functional safety for engineers building motor drives.

Motor Control Design: End-to-End Methodology

This article is a practical guide to motor speed control, covering PWM duty control, VFDs, scalar control, vector control, and field-oriented control for DC, BLDC, induction, PMSM, stepper, and servo motor systems.

Motor Speed Control: Methods Across Motor Types